forked-synapse/synapse/rest/client/rendezvous.py
2024-05-08 12:49:32 +01:00

125 lines
4.3 KiB
Python

#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2022 The Matrix.org Foundation C.I.C.
# Copyright (C) 2023-2024 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
import logging
from http.client import TEMPORARY_REDIRECT
from typing import TYPE_CHECKING, Optional
from synapse.http.server import HttpServer, respond_with_redirect
from synapse.http.servlet import RestServlet
from synapse.http.site import SynapseRequest
from synapse.rest.client._base import client_patterns
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
# n.b [MSC3886](https://github.com/matrix-org/matrix-spec-proposals/pull/3886) has now been closed.
# However, we want to keep this implementation around for some time.
# TODO: define an end-of-life date for this implementation.
class MSC3886RendezvousServlet(RestServlet):
"""
This is a placeholder implementation of [MSC3886](https://github.com/matrix-org/matrix-spec-proposals/pull/3886)
simple client rendezvous capability that is used by the "Sign in with QR" functionality.
This implementation only serves as a 307 redirect to a configured server rather than being a full implementation.
A module that implements the full functionality is available at: https://pypi.org/project/matrix-http-rendezvous-synapse/.
Request:
POST /rendezvous HTTP/1.1
Content-Type: ...
...
Response:
HTTP/1.1 307
Location: <configured endpoint>
"""
PATTERNS = client_patterns(
"/org.matrix.msc3886/rendezvous$", releases=[], v1=False, unstable=True
)
def __init__(self, hs: "HomeServer"):
super().__init__()
redirection_target: Optional[str] = hs.config.experimental.msc3886_endpoint
assert (
redirection_target is not None
), "Servlet is only registered if there is a redirection target"
self.endpoint = redirection_target.encode("utf-8")
async def on_POST(self, request: SynapseRequest) -> None:
respond_with_redirect(
request, self.endpoint, statusCode=TEMPORARY_REDIRECT, cors=True
)
# PUT, GET and DELETE are not implemented as they should be fulfilled by the redirect target.
class MSC4108DelegationRendezvousServlet(RestServlet):
PATTERNS = client_patterns(
"/org.matrix.msc4108/rendezvous$", releases=[], v1=False, unstable=True
)
def __init__(self, hs: "HomeServer"):
super().__init__()
redirection_target: Optional[str] = (
hs.config.experimental.msc4108_delegation_endpoint
)
assert (
redirection_target is not None
), "Servlet is only registered if there is a delegation target"
self.endpoint = redirection_target.encode("utf-8")
async def on_POST(self, request: SynapseRequest) -> None:
respond_with_redirect(
request, self.endpoint, statusCode=TEMPORARY_REDIRECT, cors=True
)
class MSC4108RendezvousServlet(RestServlet):
PATTERNS = client_patterns(
"/org.matrix.msc4108/rendezvous$", releases=[], v1=False, unstable=True
)
def __init__(self, hs: "HomeServer") -> None:
super().__init__()
self._handler = hs.get_rendezvous_handler()
def on_POST(self, request: SynapseRequest) -> None:
self._handler.handle_post(request)
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
if hs.config.experimental.msc3886_endpoint is not None:
MSC3886RendezvousServlet(hs).register(http_server)
if hs.config.experimental.msc4108_enabled:
MSC4108RendezvousServlet(hs).register(http_server)
if hs.config.experimental.msc4108_delegation_endpoint is not None:
MSC4108DelegationRendezvousServlet(hs).register(http_server)